On Wed, Feb 18, 2015 at 09:34:54AM +0100, Alexander Graf wrote: > > > Am 18.02.2015 um 07:12 schrieb Nathan Whitehorn <nwhiteh...@freebsd.org>: > > > > It seems like KVM doesn't implement the H_CLEAR_REF and H_CLEAR_MOD > > hypervisor calls, which are absolutely critical for memory management in > > the FreeBSD kernel (and are marked "mandatory" in the PAPR manual). It > > seems some patches have been contributed already in > > https://lists.ozlabs.org/pipermail/linuxppc-dev/2011-December/095013.html, > > so it would be fantastic if these could end up upstream. > > Paul, I guess we never included this because there was no user. If FreeBSD > does use it though, I think it makes a lot of sense to resend it for > inclusion.
I agree. I just need to check the locking and synchronization around the reference and change bit recording, then I'll resend it. > > > > I'm going to try to get some kind of workaround in the meantime so we can > > at least run on existing kernels. > > Please don't add hacks in FreeBSD only because kvm is missing a feature. > Let's just get this done properly :). Right. Paul. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
